/*
 * Copyright (c) 2014-2021 Patrizio Bekerle -- <patrizio@bekerle.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 */

#pragma once

#include <libraries/qmarkdowntextedit/markdownhighlighter.h>

#include <QSettings>
#include <QString>
#include <QStringList>
#include <QTextCharFormat>
#include <QVariant>

namespace Utils {

namespace Schema {
/**
 * @brief The Settings class
 *
 * This exists to centralize schema settings access, reducing redundant
 * work whenever possible.
 */
class Settings {
   public:
    Settings();

    const QStringList& defaultSchemaKeys() const;
    const QSettings& defaultSchemaSettings() const;

    QString currentSchemaKey() const;
    bool currentSchemaIsDefault() const;

    QStringList getSchemaKeys(const QString& schema) const;

    QVariant getSchemaValue(const QString& key,
                            const QVariant& defaultValue = QVariant(),
                            QString schemaKey = QString()) const;
    QColor getForegroundColor(int index) const;
    QColor getBackgroundColor(int index) const;

    void setFormatStyle(MarkdownHighlighter::HighlighterState index,
                        QTextCharFormat& format) const;

    QFont getEditorTextFont() const;
    QFont getEditorFixedFont() const;
    QFont getEditorFont(int index) const;

    void adaptFontSize(int index, QFont& font) const;

   private:
    const QSettings _defaultSchemaSettings;
    QMap<QString, int> _defaultSchemaSubkeys;
    QStringList _defaultSchemaKeysList;
    QVector<QStringList> _defaultSchemaSubkeylists;
    mutable QFont _defaultTextEditFont;
    mutable bool _defaultFontSet;
};

extern Settings* schemaSettings;
const int TextPresetIndex = -1;

QString textSettingsKey(const QString& key, int index);

QString encodeCssTextCharFormat(const QTextCharFormat& format);

QString encodeCssStyleForState(MarkdownHighlighter::HighlighterState index,
                               const QString& htmlTag);

QString encodeCssFont(const QFont& refFont);

QString getSchemaStyles();
}    // namespace Schema
}    // namespace Utils
